RHI Magnesita N.V.

("RHI Magnesita" the "Company" or the "Group")

Board Appointments

RHI Magnesita N.V. (LSE: RHIM) is pleased to announce that the Board will nominate Janice 'Jann' Brown, Marie-Hélène Ametsreiter and Sigalia Heifetz to be appointed by shareholders at the Company's AGM on 10 June 2021. Jann, Marie-Hélène and Sigalia have accepted their nomination as independent Non-Executive Directors and will act as observers of the Board with immediate effect.

Following their appointment at the AGM, Jann will become a member of the Audit Committee and Marie-Hélène will join the Corporate Sustainability Committee. As set out in the 2020 Annual Report, from the AGM Fiona Paulus will join the Remuneration Committee and Karl Sevelda will join the Nomination Committee. Fiona Paulus will also step down from the Audit Committee.

Herbert Cordt, Chairman, commented, "We are delighted to welcome Jann, Marie-Hélène and Sigalia to our Company. Their skills and expertise will be a valuable and complementary addition to the Board, bringing experience in finance, governance and sustainability combined with technology, innovation, digitalisation and relevant international experience in our target markets."

Biographies:

Jann Brown

Jann started her career with KPMG, where she qualified as a Chartered Accountant and a Chartered Tax Adviser, moving into industry in 1998 and since then has worked in a number of roles, both executive and non-executive, primarily in the energy sector but also in engineering services, manufacturing and investment management. As a result of these roles, Jann has extensive international business experience, particularly in India and the Middle East. Her listed company board experience, both as an executive and a non-executive, brings an awareness of the importance of governance, culture and strong ethics. She is an experienced financial professional and is a Past President of the Institute of Chartered Accountants of Scotland.

Jann is a Chartered Accountant, and also holds an Honours Degree in History from Edinburgh University.

Marie-Hélène Ametsreiter

Marie-Hélène has been a General Partner with Speedinvest, a leading European Venture Capital firm, since 2014. As the lead partner of the Industrial Tech team, she drives seed stage investments in startups supporting the digitisation of Europe's Industrial sector, including manufacturing, logistics, construction and climate technology. Before Speedinvest, Marie-Hélène was responsible for the Corporate Sustainability Program at OMV, a leading Austrian oil and gas producer, and prior to that was CEO of the Croatian mobile telecom operator Vipnet. She has extensive skills and experience in sustainability, digitisation and automation.

Marie-Hélène graduated in Business Administration from the Vienna University of Economics and studied at the University of California.

Sigalia Heifetz

Sigalia served in the Israeli Air Force as Operation Room Controller and Training Commander and, close to graduating from university, she joined BDO as manager of the Professional Accounting Department. She was a member of professional committees at the Israeli Institute of CPAs until 1997, when she became a Partner at BDO until 2003. Since 2008 Sigalia has provided consulting services to international investors. She holds non-executive directorships at a number of leading public corporations across a range of sectors and industries. Previously she held non-executive positions at Golf & Co Ltd, Bet Shemesh Engines Ltd, Hadera Paper Ltd, and Rafael Advanced Defence Systems Ltd. She brings a wealth of international experience and geopolitical exposure, alongside solid business and financial acumen.

Sigalia holds a BA in Accounting & Economics from the University of Tel Aviv (Israel) and is a Certified Public Accountant. She has completed two Executive MBAs with INSEAD (France) and Tsinghua (China)

Their appointments with publicly listed companies are as follows:

Jann Brown:

Pharos Energy plc (Managing Director)

Troy Income and Growth Trust plc (Non-Executive Director and Chair of the Audit Committee)

Sigalia Heifetz:

Plus500 Ltd (Non-Executive Director)

Maman Cargo Terminals and Handling Ltd (Non-Executive Director)

Tamar Petroleum Ltd (Non-Executive Director)

Clal Biotechnology Industries Ltd (Non-Executive Director)

There are no further disclosures to be made pursuant to Listing Rule 9.6.13.

For further enquiries, please contact:

Chris Bucknall, Head of Investor Relations

Tel: +43 699 1870 6490

E‐mail: Chris.Bucknall@rhimagnesita.com

About RHI Magnesita

RHI Magnesita is the leading global supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide range of industries including steel, cement, non-ferrous metals and glass. With a vertically integrated value chain, from raw materials to refractory products and full performance-based solutions, RHI Magnesita serves customers around the world, with around 12,000 employees in 28 main production sites and more than 70 sales offices. RHI Magnesita intends to build on its leadership in revenue, scale, product portfolio and diversified geographic presence to expand further in high growth markets.

The Group maintains a premium listing on the London Stock Exchange (symbol: RHIM) and is a constituent of the FTSE 250 index, with a secondary listing on the Vienna Stock Exchange (Wiener Börse). For more information please visit: www.rhimagnesita.com